Published: Aug 1, 2004 - Production Software

Why is Wind Chill only shown on some entries? Since wind chill can't be accurately calculated for temperatures greater than 50°F (10 °C) and wind speeds less than 4 MPH (3.5 Knots) any entries that meet this criteria are excluded from the translated METAR.

http://www.pspda.com/blog/efad_why_is_wind_chill_not_shown.html